From XSS at Wikipedia: There are three distinct known types of XSS vulnerabilities to date. DOM-based or local (Type 0), non-persistent/reflected (Type 1) and persistent or stored (Type 2) cross-site scripting. Type-0 attack Mallory sends a URL to Alice (via email or another mechanism) of a maliciously constructed web page. Alice clicks on the link.… Read More XSS or Cross Site Scripting Attacks